Mamie Gummer and her husband Benjamin Walker have split, Us Weekly reports."It's very amicable," Gummer's rep told the magazine.Check out more shocking celeb breakupsGummer and the Abraham Lincoln: Vampire Hunter star announced their engagement in 2009 and married in July ...

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Mamie Gummer and her husband Benjamin Walker have split, Us Weekly reports."It's very amicable," Gummer's rep told the magazine. Check out more shocking celeb breakupsGummer and the Abraham Lincoln: Vampire Hunter star announced their engagement in 2009 and married in July 2011. They met while performing in a 2008 Broadway production of Les Liaisons Dangereuses.Gummer, who recently starred in Emily Owens, MD, is the second-eldest child of Meryl Streep and sculptor Don Gummer.